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Amongst Na^(+), Ba^(2+), Al^(3+), which ...

Amongst `Na^(+), Ba^(2+), Al^(3+)`, which coagulates negative sol readily and why ?

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VGS PUBLICATION-BRILLIANT-MOST IMPORTANT QUESTIONS-SURFACE CHEMISTRY (SHORT ANSWER TYPE QUESTIONS)
  1. Give the order of coagulating power of Cl, SO(4)^(2-), PO(4)^(3-) in t...

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  2. Amongst Na^(+), Ba^(2+), Al^(3+), which coagulates negative sol readil...

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  3. What is an emulsion ? Give two examples.

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  4. How emulsions are classified ? Give one example for each type of emuls...

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  5. State Hardy-Schulze rule .

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  6. What are different types of adsorption ? Give any four differences bet...

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  7. How can the constants k and n of the Freundlich adsorption equation be...

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  8. What is catalysis ? How is catalysis classified ? Give two examples fo...

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  9. Name any six enzyme catalysed reaction.

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  10. Explain Tyndall effect and Brownian movement.

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  11. What are lyophilic and lyophobic sols ? Give one example for each type...

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  12. Describe Bredig's arc method of preparation of colloids with a neat di...

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  13. Define Gold Number.

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  14. Explain Zone refining.

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  15. How is alumina separated from silica in the bauxite ore associated wit...

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  16. Give examples to differentiate roasting and calcination.

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  17. Explain the purification of sulphide ore by Froth Floatation Method.

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  18. Outline the principles of refining of metals by the following methods....

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  19. Outline the principles of refining of metals by the following methods....

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  20. Outline the principles of refining of metals by the following methods....

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